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Service Migration Basics

Latest reply: Jul 26, 2022 18:42:44 314 10 7 0 0


Dear All,


Today we are going to learn about Service Migration Basics.

 

 Application Scenarios of Service Migration


1

 

To cloudify the enterprise IT system, customers must migrate data. Data migration involves various IT systems, such as basic IT services, OA system, production system, development and test system, and management system.

NMS: network management system

ITSM: IT service management


Service Migration Sequence Design


2

 

Data of various systems are to be migrated. How to determine the migration sequence?

How to migrate data if systems are interdependent?

Whether the Service Migration is easy to implement? Will the migration affect services?


In most cases, the migration sequence is as follows:

  • Ascending order based on migration risks

  • Ascending order based on impacts on services

  • Descending order based on service interruption duration

  • Ascending order based on service complexity


Character of each system:

Basic service: easy to implement

Development and test system: minimized impact on service system

OA system: small impact, long service interruption

IT management system: No service data

Service system: service data, most difficult

 

 Service Migration Solution – Migration Content and Level


  • Application-level Service Migration

  • File-level Service Migration

  • System-level Service Migration


  • Application-level migration: Data at the application layer is migrated from old systems to new systems using special application-layer migration tools, ensuring availabilities and performing the OS and database upgrade during the migration. For example, the online migration of Oracle and SQL server databases.

  • File-level migration: Based on customers' requirements, customers' resource load is migrated in files from the source host to the target host, and therefore customers can plan the disk specifications again, or upgrade the OSs.

  • System-level migration: This migration mainly applies to the system disk migration. If a large number of applications are running on a customer's host, system on the host, including the OS, applications, and configuration data, can be migrated to the destination VM.

 

Hopefully you have the ideal about service migration in next article we will discuss about Huawei tools for service Migration.

 

Regards,

Kashif Ali

 

 


The post is synchronized to: Community Blog

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NgTrang
Created Jun 26, 2022 10:40:32

Thanks for sharing
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MahMush
Moderator Author Created Jun 30, 2022 15:51:36

Migration of data from old systems to new systems utilizing specific application-layer migration tools, assuring availability and completing the OS and database update while migration is taking place.  

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MahMush
Moderator Author Created Jun 30, 2022 15:53:13

Vendor lock-in is a common problem for adopters of cloud technology. Cloud providers offer a large variety of services, but many of them cannot be extended to other cloud platforms. Migrating workloads from one cloud to another is a lengthy and costly process. Many organizations start using cloud services, and later find it difficult to switch providers if the current provider doesn't suit their requirements.
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MahMush
Moderator Author Created Jun 30, 2022 15:54:12

Posted by MahMush at 2022-06-30 15:53 Vendor lock-in is a common problem for adopters of cloud technology. Cloud providers offer a large v ...
What do you think Cloud experts @Kashif @olive.zhao @BAZ @cloudoholic @Saqibaz @faysalji
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cloudoholic
cloudoholic Created Jul 1, 2022 06:06:55 (0) (0)
it definitely is a very difficult task, why would aa vendor want its client to migrate to its competitor, I find politics involved and market competition involved in it.  
BAZ
MVE Author Created Jun 30, 2022 18:24:26

Posted by MahMush at 2022-06-30 15:54 What do you think Cloud experts @Kashif @olive.zhao @BAZ @cloudoholic @Saqibaz @faysalji
Not an expert, just a learner of Cloud but I think Data Security and Compliance and Management of cost are major obstacles.
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vladislavzh
HCIE Created Jun 30, 2022 19:04:19

thanks
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Irina
Admin Created Jul 15, 2022 12:19:37

Hi, @Kashif
Because your article was very valuable and qualitative, we've decided to feature it on our Blog collection: https://forum.huawei.com/enterprise/en/forum.php?mod=collection&action=view&ctid=431

Congrats!
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phuta
Created Jul 26, 2022 13:44:59

Good share
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Saqibaz
Created Jul 26, 2022 18:42:44

Thanks for sharing
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